1: (8 15 18)

(0 19 2)(1 7 5)(3 11 9)(4 16 15 6 18)(8)(10 14 12)(13 20 17)

2: (4 6 18)

(0 19 2)(1 7 5)(3 11 9)(4)(6 16 15)(8)(10 14 12)(13 20 17)(18)

3: (1 7 5)

(0 19 2)(1)(3 11 9)(4)(5)(6 16 15)(7)(8)(10 14 12)(13 20 17)(18)

4: (13 20 17)

(0 19 2)(1)(3 11 9)(4)(5)(6 16 15)(7)(8)(10 14 12)(13)(17)(18)(20)